Sciences
Major Elements in Birth Control Pills
Hormones is included in birth control pills and it is the major element of the birth control pills. A hormone is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a small amount of hormone is required to alter... readmore
On Which Principle Optical Fiber Works?
Optical fiber works on the principle of total internal reflection. An optical fiber is a thin, flexible, transparent fiber that acts as a waveguide or “light pipe” to transmit light between the two ends of the fiber. The field of applied science and engineering concerned with the design and... readmore
Which metal comes from bauxite?
Bauxite is an important ore for Aluminum metal. Aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al and its atomic number is 13. Read More →
Which Topaz is made up of a single elements?
Diamond Topaz is made up of a Single Elements. Diamond has remarkable optical characteristics. Because of its extremely rigid lattice, it can be contaminated by very few types of impurities, such as boron and nitrogen. Read More →
Which Mineral is not a Clay Mineral?
Biotite is not a clay mineral. Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg,Fe)3AlSi3O10(F,OH)2. Read More →
Copper Ores found in which City of Pakistan?
Copper Ores found in Balochistan of Pakistan. Copper is a chemical element with the symbol and atomic number 29. Pure copper is rather soft and malleable, and a freshly exposed surface has a reddish-orange color. It is used as a thermal conductor, an electrical conductor, a building material, and a constituent... readmore
How Many Ribs Are Human Body?
There are 12 number of ribs in human body. In vertebrate anatomy, ribs are the long curved bones which form the rib cage. In most vertebrates, ribs surround the chest, enabling the lungs to expand and thus facilitate breathing by expanding the chest cavity. They serve to protect the lungs, heart, and... readmore
Which of the following is the hardest metal?
Iron is the hardest metal. Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series and it is the most common element in the whole planet Earth. Read More →
Which mirror is used as rear view mirror in vehicles?
Convex is used as rear view mirror in vehicles. A convex mirror, fish eye mirror or diverging mirror, is a curved mirror in which the reflective surface bulges toward the light source. The passenger-side mirror on a car is typically a convex mirror. In some countries, these are labeled with the safety... readmore
Which of the following gases is not present in the atmosphere?
Radon is not present in the atmosphere. Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as the decay product of uranium. Read More →